We spent some time and put together a full list of the clothing that we recommend and use for canyoneering. While some of the requirements for rappelling and climbing are different, most clothing can be used for any of these activities. Specific outdoors clothing serves to regulate your internal temperature, and protect you from abrasions and burns.
We also put together a great guide on footwear for canyoneering, so you should check that out too. It’s been updated this year.
A good wetsuit is crucial for any canyon with a significant amount of water. There are a lot of factors to consider though, including length, thickness, and quality. Lucky for you, we wrote a full article about wetsuits and how they should be used for canyoneering. Read it here- What is the best wetsuit for canyoneering?